Re: [RFC v3 1/2] backlight: add new tps611xx backlight driver

Signed-off-by: Daniel Jeong <redacted>
---
 drivers/video/backlight/Kconfig           |    7 +
 drivers/video/backlight/Makefile          |    1 +
 drivers/video/backlight/tps611xx_bl.c     |  494 +++++++++++++++++++++++++++++
 include/linux/platform_data/tps611xx_bl.h |   31 ++
 4 files changed, 533 insertions(+)
 create mode 100644 drivers/video/backlight/tps611xx_bl.c
 create mode 100644 include/linux/platform_data/tps611xx_bl.h

diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
index 5a3eb2e..c779a85 100644
--- a/drivers/video/backlight/Kconfig
+++ b/drivers/video/backlight/Kconfig

@@ -418,6 +418,13 @@ config BACKLIGHT_TPS65217
 	  If you have a Texas Instruments TPS65217 say Y to enable the
 	  backlight driver.

+config BACKLIGHT_TPS611xx
+	tristate "TPS611xx Backlight"
+	depends on BACKLIGHT_CLASS_DEVICE && GPIOLIB
+	help
+	  This supports TI TPS61158,TPS61161, TPS61163 and TPS61165
+	  backlight driver based on EasyScale Protocol.
+
 config BACKLIGHT_AS3711
 	tristate "AS3711 Backlight"
 	depends on BACKLIGHT_CLASS_DEVICE && MFD_AS3711

diff --git a/drivers/video/backlight/Makefile b/drivers/video/backlight/Makefile
index bb82002..44f1641 100644
--- a/drivers/video/backlight/Makefile
+++ b/drivers/video/backlight/Makefile

@@ -52,4 +52,5 @@ obj-$(CONFIG_BACKLIGHT_PWM)		+= pwm_bl.o
 obj-$(CONFIG_BACKLIGHT_SAHARA)		+= kb3886_bl.o
 obj-$(CONFIG_BACKLIGHT_TOSA)		+= tosa_bl.o
 obj-$(CONFIG_BACKLIGHT_TPS65217)	+= tps65217_bl.o
+obj-$(CONFIG_BACKLIGHT_TPS611xx)	+= tps611xx_bl.o

 obj-$(CONFIG_BACKLIGHT_WM831X)		+= wm831x_bl.o

diff --git a/drivers/video/backlight/tps611xx_bl.c b/drivers/video/backlight/tps611xx_bl.c
new file mode 100644
index 0000000..8dcc88a
--- /dev/null
+++ b/drivers/video/backlight/tps611xx_bl.c

@@ -0,0 +1,494 @@

+
+static struct tps611xx_esdata tps611xx_info[] = {
+	[TPS61158_ID] = {
+			 .id = TPS61158_ID,
+			 .name = "tps61158",
+			 .addr = 0x5800,
+			 .cmd = {
+				 .seq = CMD_FORWARD,
+				 .size = 16,
+				 .brt_max = 31,
+				 .brt_bmask = 0x1f,
+				 .rfa_bmask = 0x80
+				},

+			 .time = {
+				  .es_delay = 100000,
+				  .es_det = 450000,
+				  .start = 3500,
+				  .eos = 3500,
+				  .reset = 4,
+				  .logic_1_low = 5000,
+				  .logic_0_low = 15000,
+				  .ackn = 900000,
+				  .ack_poll = 2000
+				},
+			 },
+
+	[TPS61161_ID] = {
+			 .id = TPS61161_ID,
+			 .name = "tps61161",
+			 .addr = 0x7200,
+			 .cmd = {
+				 .seq = CMD_FORWARD,
+				 .size = 16,
+				 .brt_max = 31,
+				 .brt_bmask = 0x1f,
+				 .rfa_bmask = 0x80
+				},
+			 .time = {
+				  .es_delay = 120000,
+				  .es_det = 280000,
+				  .start = 2000,
+				  .eos = 2000,
+				  .reset = 3,
+				  .logic_1_low = 3000,
+				  .logic_0_low = 7000,
+				  .ackn = 512000,
+				  .ack_poll = 2000
+				},
+			 },
+
+	[TPS61163_ID] = {
+			 .id = TPS61163_ID,
+			 .name = "tps61163",
+			 .addr = 0x8F0000,
+			 .cmd = {
+				 .seq = CMD_BACKWARD,
+				 .size = 24,
+				 .brt_max = 511,
+				 .brt_bmask = 0x1ff,
+				 .rfa_bmask = 0x400
+				},
+			 .time = {
+				  .es_delay = 100000,
+				  .es_det = 260000,
+				  .start = 2000,
+				  .eos = 2000,
+				  .reset = 3,
+				  .logic_1_low = 3000,
+				  .logic_0_low = 7000,
+				  .ackn = 512000,
+				  .ack_poll = 2000
+				},
+			 },
+
+	[TPS61165_ID] = {
+			 .id = TPS61165_ID,
+			 .name = "tps61165",
+			 .addr = 0x7200,
+			 .cmd = {
+				 .seq = CMD_FORWARD,
+				 .size = 16,
+				 .brt_max = 31,
+				 .brt_bmask = 0x1f,
+				 .rfa_bmask = 0x80
+				},
+			 .time = {
+				  .es_delay = 120000,
+				  .es_det = 280000,
+				  .start = 4000,
+				  .eos = 4000,
+				  .reset = 3,
+				  .logic_1_low = 3000,
+				  .logic_0_low = 7000,
+				  .ackn = 512000,
+				  .ack_poll = 2000
+				},
+			 },
+};

+
+static int tps611xx_bl_get_brightness(struct backlight_device *bl)
+{
+	return bl->props.brightness;
+}
+
+static const struct backlight_ops tps611xx_bl_ops = {
+	.update_status = tps611xx_bl_update_status,
+	.get_brightness = tps611xx_bl_get_brightness,

+
+static struct platform_driver tps611xx_backlight_driver = {
+	.driver = {
+		   .name = TPS611XX_NAME,
+		   .owner = THIS_MODULE,
+		   .of_match_table = of_match_ptr(tps611xx_backlight_of_match),
+		   },

+	.probe = tps611xx_backlight_probe,
+	.remove = tps611xx_backlight_remove,
+	.id_table = tps611xx_id_table,
+};
+
+module_platform_driver(tps611xx_backlight_driver);
+
+MODULE_DESCRIPTION("EasyScale based tps611xx Backlight Driver");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:tps611xx_bl");

diff --git a/include/linux/platform_data/tps611xx_bl.h b/include/linux/platform_data/tps611xx_bl.h
new file mode 100644
index 0000000..73d1f08
--- /dev/null
+++ b/include/linux/platform_data/tps611xx_bl.h

@@ -0,0 +1,31 @@
+/*
+ * Simple driver for Texas Instruments TPS61163a Backlight driver chip

+ * Copyright (C) 2014 Texas Instruments
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#ifndef __TPS611XX_H
+#define __TPS611XX_H
+
+#define TPS611XX_NAME "tps611xx_bl"
+#define TPS61158_NAME "tps61158_bl"
+#define TPS61161_NAME "tps61161_bl"
+#define TPS61163_NAME "tps61163_bl"
+#define TPS61165_NAME "tps61165_bl"
+
+/*
+ * struct tps61163a platform data